age 1 of 32
Minnesota Special Boiler License EXAM 2025/2026
COMPLETE QUESTIONS WITH CORRECT DETAILED
ANSWERS || 100% GUARANTEED PASS <LATEST
VERSION>
How many way can heat be transferred? .......Answer.........Three
(Conduction -- Convection -- Radiation)
If water in the gauge is not visible because of failure of the feed
water supply, what should be done? .......Answer.........Shut off the
fuel to the burner and secure the boiler.
What conditions are necessary to cause a furnace explosion?
.......Answer.........Accumulation of unburned fuel, oxygen and an
ignition source
How may types of low pressure are there? .......Answer.........Three
,age 2 of 32
Boiler and boiler fitting used in the state of Minnesota must be
constructed to what code? .......Answer.........A.S.M.E
What controls the starting ans stopping of the burner by sending
the temperature of the water in a hot water boiler?
.......Answer.........Aqua Stat
When a hydrostatic test of a boiler exceeds the maximum
allowed working pressure each safety valve, if left attached to
the boiler, should: .......Answer.........Have its valve disc held to its
seat by means of testing clamp or "gag"
Heat can be transferred in three ways and they are:
.......Answer.........Conduction --Convection - Radiation
The first sequence in the series of automatic burner control is:
.......Answer.........Purging
,age 3 of 32
Can a low water low water condition i a hot water heating type
boiler? .......Answer.........Yes, for numerous reasons
Other than a safety relieve valve what other safety device
should be installed on a hot water heating boiler?
.......Answer.........Low water cut off
Each boiler in a battery (pipe together sharing the same
common header) must have: .......Answer.........A main stem stop
what removes air from a hot water boiler system?
.......Answer.........Air Control
In a stem boiler system, the unit that turns be burner on and off
based on steam pressure is the: .......Answer.........Pressure Control
The LWCO should be tested: .......Answer.........Daily
, age 4 of 32
Gauge pressure plus 14.7 psi is called what?
.......Answer.........Absolute pressure
The evaporation of 34.5 ponds of water per hour from and at a
temperature of 212 degrees Fahrenheit is defined as:
.......Answer.........One boiler horsepower
When a safety valve opens and closes rapidly it is referred to
as .......Answer.........Chattering
Furnace explosions are caused by a buildup of combustible
gases, or vapors in the combustion chamber, what is the term
used to remedy this condition? .......Answer.........Purging
Why is a pigtail or siphon required in steam pressure gauge
lines? .......Answer.........to protect the gauge from a high
temperature.
Minnesota Special Boiler License EXAM 2025/2026
COMPLETE QUESTIONS WITH CORRECT DETAILED
ANSWERS || 100% GUARANTEED PASS <LATEST
VERSION>
How many way can heat be transferred? .......Answer.........Three
(Conduction -- Convection -- Radiation)
If water in the gauge is not visible because of failure of the feed
water supply, what should be done? .......Answer.........Shut off the
fuel to the burner and secure the boiler.
What conditions are necessary to cause a furnace explosion?
.......Answer.........Accumulation of unburned fuel, oxygen and an
ignition source
How may types of low pressure are there? .......Answer.........Three
,age 2 of 32
Boiler and boiler fitting used in the state of Minnesota must be
constructed to what code? .......Answer.........A.S.M.E
What controls the starting ans stopping of the burner by sending
the temperature of the water in a hot water boiler?
.......Answer.........Aqua Stat
When a hydrostatic test of a boiler exceeds the maximum
allowed working pressure each safety valve, if left attached to
the boiler, should: .......Answer.........Have its valve disc held to its
seat by means of testing clamp or "gag"
Heat can be transferred in three ways and they are:
.......Answer.........Conduction --Convection - Radiation
The first sequence in the series of automatic burner control is:
.......Answer.........Purging
,age 3 of 32
Can a low water low water condition i a hot water heating type
boiler? .......Answer.........Yes, for numerous reasons
Other than a safety relieve valve what other safety device
should be installed on a hot water heating boiler?
.......Answer.........Low water cut off
Each boiler in a battery (pipe together sharing the same
common header) must have: .......Answer.........A main stem stop
what removes air from a hot water boiler system?
.......Answer.........Air Control
In a stem boiler system, the unit that turns be burner on and off
based on steam pressure is the: .......Answer.........Pressure Control
The LWCO should be tested: .......Answer.........Daily
, age 4 of 32
Gauge pressure plus 14.7 psi is called what?
.......Answer.........Absolute pressure
The evaporation of 34.5 ponds of water per hour from and at a
temperature of 212 degrees Fahrenheit is defined as:
.......Answer.........One boiler horsepower
When a safety valve opens and closes rapidly it is referred to
as .......Answer.........Chattering
Furnace explosions are caused by a buildup of combustible
gases, or vapors in the combustion chamber, what is the term
used to remedy this condition? .......Answer.........Purging
Why is a pigtail or siphon required in steam pressure gauge
lines? .......Answer.........to protect the gauge from a high
temperature.
